package pack1021;

public class App {
    private static void a(){
        DemoD d=new DemoD();
        System.out.println(d.a);
        System.out.println(DemoD.b);
        d.a();
    }
    private static void b(){
        new DemoD();
        new DemoD();
    }

    public static void main(String[] args) {
        b();
    }
}
